Vapiの代替（2026）
Vapiの開始価格は From $0.05/min です。下の製品は同じカテゴリに載っています。
1
Bland AI
Bland builds and runs inbound and outbound phone agents, with pathways, transfers, and connectors to telephony and CRM tools. The site says the per-minute rate includes the language model, speech-to-text, and text-to-speech, and that telephony is billed separately.
料金: From $0.14/min. 向いている用途: Regulated teams that want a single per-minute voice rate
ほかのリスト おすすめのAI音声エージェント.
2
ElevenLabs Agents
ElevenLabs Agents is a conversational AI product for voice and chat, with a workflow builder, knowledge base, and phone connectivity through a customer's telephony provider. The agents pricing page bills by call minutes and says LLM usage is extra.
料金: From $6/mo. 向いている用途: Teams that want voice agents with a free starting allowance
ほかのリスト おすすめのAI音声エージェント.
3
Lindy
Lindy is a shared AI teammate in Slack, email, and iMessage that can research, draft, update tools, and take meeting notes. It ships with 40+ skills and says it connects to 1,000+ tools plus MCP. Actions that send or write wait for approval.
料金: From $29.99/user/mo. 向いている用途: Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.
ほかのリスト おすすめのAI音声エージェント.
4
PolyAI
PolyAI builds dialog agents in Dialog Studio and runs them on its own models, including the audio-native Dialog-RSN-1 model. The homepage cites resolution without a human agent on its largest deployments and lists SOC 2+ Type 2, ISO 27001, PCI DSS, and GDPR.
料金: Custom. 向いている用途: Contact centers that want enterprise voice agents on existing systems
ほかのリスト おすすめのAI音声エージェント.
5
Retell AI
Retell AI is a dashboard and API for building voice agents that handle inbound calls, outbound campaigns, chat, and SMS. The homepage says voice agents cost $0.07 to $0.31 per minute depending on model, voice, and add-ons, and that signup includes $10 in credits.
料金: From $0.07/min. 向いている用途: Teams that want usage-priced phone agents without an annual contract
ほかのリスト おすすめのAI音声エージェント.
6
Synthflow
Synthflow designs, tests, and launches voice agents, and says it can connect through its own telephony or a customer's SIP trunk. The homepage names Cisco, Avaya, Genesys, and RingCentral among phone-system connections.
料金: From $30000/yr. 向いている用途: Enterprises deploying voice agents on existing telephony
ほかのリスト おすすめのAI音声エージェント.
7
Thoughtly
Thoughtly responds to inbound leads by voice, SMS, or email, qualifies them, and books meetings, then logs the interaction to a CRM. The pricing page says voice, SMS, email, and workflows are in every plan.
料金: Not published. 向いている用途: Revenue teams that need immediate follow-up on inbound leads
ほかのリスト おすすめのAI音声エージェント.
8
Voiceflow
Voiceflow is a builder for conversational agents across web, app, WhatsApp, SMS, and voice. The site describes workflows, evaluations, and production environments, and says teams can choose major model providers or bring their own model.
料金: Not published. 向いている用途: CX teams that design and operate their own agents
ほかのリスト おすすめのAI音声エージェント.